Mix together. In bottom of small skillet, place a circle of parchment paper and a ½ can cherry pie filling, then pour mixture of cake, egg and banana over top, place on the lid and cook on 'med-low' for 15 minutes. If lid is very hot to the touch, turn off. Serve when ready to eat. To serve, use knife to cut around edges, flip onto a large plate and carefully lift straight up.